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Ring cores0 pages
Ring Cores
Ring cores made of thermally stable supermalloy
and wound with 1000 turns are excellent
transformers. Originally developed for ground fault
detection current, they are now used in many
current-sensing applications. In a GFCI circuit
breaker or electrical outlet, these cores constantly
monitor electrical current and protect against
injury or death caused by contact with damaged or
defective electrical equipment. In the ALCI plug,
the cores are used to protect people from electrical
shock by hairdryers or other appliances. (They can
have many uses in other applications).
Magnetic Metals manufactures standard size
sensor cores of supermalloy for sensing fault
current as well as cores made of ferrite for ground
to neutral detection. Sensing and neutral detection
cores are available in a wide variety of sizes and
type to fill any GFCI, Arc Fault or current sensing
requirement.
Our unique heat treating furnace and annealing process produce the highest quality
magnetic components. Fully automated casing and 100% testing provides our customers
with the most price competitive products and the best production yields in the industry.
As the largest supplier of sensor cores in the industry, our Engineering Staff stands
ready to assist you with any design consideration and performance issues.
Ring Cores For GFCI and ALCI
CORES FOR GFCI - 5000 SERIES (8014 Material - 0.014" thick)
CCORES FOR ALCI - 5100 SERIES (8014 Material - 0.014" thick)
Sorted by Ring ID:
Dimensions (Ring
Stack)
Dimensions (Cased
Unit)
I.D.
I.D.
Ring
Core
Color
5025
Green 0.305 0.405
O.D.
Ht.
O.D.
Ht.
Approx.
#
Rings/
l
A
Core
(Cm) (Cm_)
0.119
0.265 0.455
0.195
2.83 0.0383
9
0.348 0.480
0.066
0.305 0.530
0.108
3.30 0.0238
5
5137 Yellow 0.348 0.480
0.066
0.305 0.530
0.108
3.30 0.0298
5
5042
Black 0.375 0.500
0.066
0.320 0.560
0.113
3.49 0.0266
5
5022
Clear 0.375 0.500
0.119
0.320 0.560
0.195
3.49 0.0479
9
5029
Blue
"
